S
M
T
W
T
F
S
30
79°
55°
31
80°
60°
1
84°
56°
2
84°
59°
3
83°
56°
4
79°
52°
5
78°
57°
6
80°
57°
7
80°
58°
8
83°
58°
9
81°
57°
10
77°
56°
11
82°
57°
12
82°
57°
13
81°
56°
14
82°
56°
15
82°
55°
16
81°
55°
17
80°
54°
18
80°
48°
19
74°
47°
20
74°
45°
21
72°
45°
22
72°
46°
23
76°
49°
24
76°
45°
25
72°
45°
26
75°
51°
27
71°
49°
28
74°
50°
29
76°
49°
30
76°
49°
1
74°
47°
2
75°
48°
3
71°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gap Mills
Gap Mills's September 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 45° and 60°. The average high for September is 78° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Gap Mills. See also: October | November | December.